package cn.lanca.gof16_20._18observer.jdkcase1;

import java.util.Observable;
import java.util.Observer;

/**
 * 借款方
 *
 * @author hongliang.mei
 * @since 2020/12/28 00:12
 */
public class Wangwu implements ObserverWithName {
    /**
     * This method is called whenever the observed object is changed. An
     * application calls an <tt>Observable</tt> object's
     * <code>notifyObservers</code> method to have all the object's
     * observers notified of the change.
     *
     * @param o   the observable object.
     * @param arg an argument passed to the <code>notifyObservers</code>
     */
    @Override
    public void update(Observable o, Object arg) {
        System.out.println("张三向王五借的钱已还清");
    }

    @Override
    public String getName() {
        return "wangwu";
    }
}
